Java获取某年某周的第一天，java获取, /**

Java获取某年某周的第一天，java获取, /**

    /**      * @Title:FirstDayOfWeek.java      * @Package:com.you.freemarker.model      * @Description:获取某年某周的第一天      * @author:Youhaidong(游海东)      * @date:2014-5-29 下午11:29:53      * @version V1.0      */      package com.you.freemarker.model;      import java.text.SimpleDateFormat;      import java.util.Calendar;      /**      * 类功能说明      * 类修改者 修改日期      * 修改说明      * <p>Title:FirstDayOfWeek.java</p>      * <p>Description:游海东个人开发</p>      * <p>Copyright:Copyright(c)2013</p>      * @author:游海东      * @date:2014-5-29 下午11:29:53      * @version V1.0      */      public class FirstDayOfWeek       {          /**          * 获取某年某周的第一天          * @Title:getFirstDayOfWeek          * @Description:          * @param:@param year          * @param:@param week          * @param:@return          * @return:String          * @throws          */          public static String getFirstDayOfWeek(int year,int week)          {              Calendar cal = Calendar.getInstance();              //设置年份              cal.set(Calendar.YEAR,year);              //设置周              cal.set(Calendar.WEEK_OF_YEAR, week);              //设置该周第一天为星期一              cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);              //格式化日期              SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");              String firstDayOfWeek = sdf.format(cal.getTime());              return firstDayOfWeek;          }          /**          * @Title:main          * @Description:          * @param:@param args          * @return: void          * @throws          */          public static void main(String[] args)           {             String firstDay = getFirstDayOfWeek(2014,22);             System.out.println("2014年第22周的第一天是：" + firstDay);          }      }